Stock shell



www* Q 2 Sheets-Sheet 1 STOCK SHELL W. F. GAMMETER Filed Jan. 16, 1959 Dec. 3, 1940.

Dec, 3, 1940. w. F. GAMMETER 2,223,682

STOCK SHELL F11-ed Jan. 16, 1939 gsheets-sheet 2 Patented Dec. 3, 1940 UNITED STATES PATENT OFFICE 2 Claims.

This invention relates to an improved stock shell used for winding fabrics.

Stock shells, as used up to the present'time, withstandthe heavy loads and operating strains to which they are subjected for but a relatively short time before they have to be removed from service and either discharded or repaired. The reason for this condition is that the mandrels, which extend through the shells for the purpose of rotating them, enlarge the openings in the heads and, by constant pounding, mutilate said heads so that the shells are rendered of no further use. Moreover, no effective central support for the mandrels or shells has been used, so that said mandi-els tend to bend and cause the shells to depart from their true cylindrical shape.

One object of the present invention is, therefore, to provide a stock shell having heads provided with hubs which are apertured to denne bearing surfaces adequate for supporting the mandrel so that pounding, with consequent damage to the heads, will be prevented.

Another object of the invention is to provide a stock shell which will be light in weight and yet of such strong construction that it will not collapse or become dented when subjectedto heavy loads. v

A further object of the invention is to provide a device of this character employing one or more spiders which will assure rigid bracing of the body of the shell to withstand great pressure and prevent calapse.

As a further object, the invention seeks to provide a stock shell wherein the spiders employ hubs', which are aligned with the hubs in the heads, and which afford bearing surfaces for the mandrel within the body of the shell so that said mandrel will be effectively supported within said body as well as at its ends.

Another object of the invention is to provide a stock shell, the hubs of which are recessed t0 receive the ends of guide tubes employed whereby the inner surfaces of the guide tubes will be flush with the bearing surfaces so that a smooth uninterrupted path for the mandrel through the shell will be provided.

And a further object of the invention is to provide a stock shell, the hubs of which may be removed when necessary, either for replacement or for permitting removal of guide tubes.

Other and incidental objects of the invention not pointed out hereinbefore will become apparent during the course of the following description.

In the drawings forming a part of my application:

Figure l is a longitudinal sectional view of my improved stock shell,

Figure 2 is a vertical sectional view on the line 2 2 of Figure l looking in the direction of the arrows,

Figure 3 is a vertical sectional view on the line 3-3 of Figure l,

Figure 4 is an enlarged vertical detail sectional view showing one of the hubs employed for use with each of the heads and also showing particularly the mounting of one end of a guide tube in said hub,

Figure 5 is a vertical sectional View on the line 5--5 of Figure 1,

Figure 6 is an enlarged vertical detail sectional view showing the hub employed with each of the spiders, and

Figure 7 is an enlarged vertical sectional view on the line 'I-l of Figure 6.

Referring now more particularly to the drawings wherein like numerals of reference will be seen to designate like parts throughout the various views, the numeral I indicates in general the 25 body of my improved stock shell. The body is formed of heavy sheet steel which will be of sui cient strength to withstand collapse and denting. The body will be preferably welded along the seam and will, of course, be of any desired length and diameter.

Closing the body at each end are heads 2 and 3. The heads comprise end plates 4 which terminate in outwardly extending fianges 5 which are welded to lthe opposite ends of the body I. AXially mounted on each of the heads 2 is a hub shown generally at 6. The hubs carried by the heads are seen in Figures 4 and 5 of the drawings and are preferably formed of tooled steel forgings. Said hubs 6 each includes a body portion I having a squared opening therethrough which denes a bearing surface 8. A ange 9 is provided for each hub 6 and engages against the outer surface of the wall 4 of the head and the body portion 'I is slightly tapered in thickness 45 toward its inner end. As will be seen in Figure 4, the opening is formed with a slightly flared recess I0 defining a shoulder II atv its inner end. The purpose of the recess I0 and the shoulder Il will be set forth hereinafter. It should be under- 50 stood that these hubs 6 are to be electrically welded to the heads so that they may be readily replaced, should replacement be needed.

Spiders, shown generally at I2 and I3, are mounted in the body. It should be understood 55 that, while two spiders are shown in place Within the body, any suitable number may be employed. The spiders are identical in construction so that a description of one will suffice for both. Each of the spiders consists of a disk I4 and a band I5 which, as will be seen, will be engaged with the inner surface of the body I, the band I5`being welded or otherwise secured to the disk I4 medially of the width of Said band. The bands of the spiders effectually mount said spiders in the body, and in view of the fact 'that the bands are quiteA broad, a large bearing surface for the bands against the body will be provided. Tendency of the spiders to slip within the body Will be obviated. Mounted in the spiders I2 and I3 axiallythereof and in alignment with the hubs in the heads are hubs I6 which are formed from' ltooled steel forgings.

case of the hubs 6, the hubs I6 are aperturedv to form bearing surfaces Ia. Also theportions I8 and I9 areY recessed inwardly from their outer ends to denne shoulders 2i) and 2| The recesses in the portions. I8 and I9 are slightly ared out- Wardly so as to permit ready insertion of opposed ends of guide tubes to be described hereinafter.

The guide tubes are indicated at 22, 23 and 24, are of identical construction, and are of square cross section. A seam 25 extends longitudinally along 4one corner of each guide tube and has riv= ets therein for retaining said'tubes in Aproper shape. The guide tube 22 extends between the hub 6 and the portion I8 of the hub I6, c-arried on the spider I2. The guide tube 23 extends between the spiders I2 and I3 and has one end thereof mounted in the portion I9 of the spider I2 and the other ,end mounted in the portion I8 of the spider I3. The guide tube 24 extends' between the head 3 and the spider, I3, said guide tube 24 having'one end mounted in the portion I9 of the hub I6, carried by the spider I3 and the other end mounted in the hub 6 carried by the head 3.

Attention is particularly directed to the fact that, as best seen in Figures 4 and 6 of the drawings, the inner surfaces of the guide tubes are in the same horizontal plane with the bearing surfaces of the hubs so that a smooth uninterrupted path will be dened for a mandrel, such as is shown at 26, through the shell. Attention is further directed to the fact that, inasmuchias the hubs provide a bea-ring surface for the mandrel, yat each end and at spaced points in the middle of the body, said body is eifectively mount- The hubs I6 each include a central I flange I'I and end portions I8 and I9. As in the ed on the mandrelso that canting of the body on the mandrel, and pounding of said mandrel, with consequent undue Wear on the heads and body will not take place. Moreover, the spiders I2 and I3 will be prevented from moving toward the ends of the body due to the fact that bend- I ing of the mandrel is prevented. It will now be seen that the body will be accurately and uniformly supported throughout its length so that denting or crushing will beprevented.

It is `also desired to call particular attention to the fact that, as the hubs 6and'l6 are readily replaceable on the heads and spiders respectively, a great deal of expense and trouble may be, avoided when it is desired to put new hubs in place or toremove one or more of the guide tubes from the'interior of the body.

` vHaving thus described the invention, what is 1. In a stock shell, a disk, and a hub mounted I and one of said end portions extending through the disk and both of said end portionsv having mouths ared axially throughout their lengths to denne guides, shoulders being defined between the ends of the bearing surface and the'inner ends of the mouths for receiving inner end edges of guide tubes thereagainst.

2. In a stock shell, a body, heads closing the body at its opposite ends, hubs carried by the heads and being disposed in longitudinal alignment, a spider `within the body and-having a disk, a hub carried by the disk and having a centrally located flange disposed adjacent the disk and said hub having oppositely extending end portions, oneV of Vsaid end portions extending through the disk, a bearing surface within the hub, the end portions of said hubA being recessed to denne mouths flared' axially throughout their lengths to form guides, Is-top shoulders formed at the junctions of the ends of the bearing surface with the inner ends `of the mouths, andguide tubes within the body, said guide tubes having corresponding inner ends engaged in the mouths of the opposite end portions ofthe last-mentioned hub in engagement with the shoulders, said last-mentioned hub providing a support for the inner ends of the guide tubes within the body and a bearing support for av mandrel bef` tween the ends of the body.

WiLLIAM F.- GAMMETER. 

